- Time of issue:2019-05-13 00:00:00
(1) All edges shall be smooth and free from burrs or sharp edges.
(2) Welded parts shall be homogenous, non-porous,and free from pits, cracks, imperfections or discolorations.
(3) Welding shall be electric process,with joints ground and polished smooth to matching finish with surrounding areas.
(4) No die marks, blemishes, wrinkles or cracks permissible.
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